【判断题】精度为2+3ppm的全站仪,测量5km,其误差为5mm。
【单选题】When the player finished running, he was out of . [ ]
【判断题】The Breat Britain is both a presidential democracy and a constitutional monarchy.
【多选题】詹小婷第六节 12、接待好残疾游客,关键在于导游人员要()。
【单选题】You may conclude from this article that it is _______ using machines to make a person breathe for years if his brain is dead.
【判断题】精度为2+3ppm的全站仪,测量5km,其误差为17mm。
【单选题】某全站仪的测距精度指标为3+2ppm,该仪器测量3km的距离中误差是( )。